HeaderExtractorImpl

java.lang.Object
- com.github.scribejava.core.extractors.HeaderExtractorImpl

All Implemented Interfaces:

HeaderExtractor
```
public class HeaderExtractorImpl
extends java.lang.Object
implements HeaderExtractor
```
Default implementation of HeaderExtractor. Conforms to OAuth 1.0a

Field Summary

Fields
Modifier and Type Field Description

private static java.lang.String PARAM_SEPARATOR

private static java.lang.String PREAMBLE

Constructor Summary

Constructors
Constructor Description

HeaderExtractorImpl()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`private void`	`checkPreconditions(OAuthRequest request)`
`java.lang.String`	`extract(OAuthRequest request)`	Generates an OAuth 'Authorization' Http header to include in requests as the signature.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - PARAM_SEPARATOR
```
private static final java.lang.String PARAM_SEPARATOR
```
    See Also:
    
    Constant Field Values
  - PREAMBLE
```
private static final java.lang.String PREAMBLE
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - HeaderExtractorImpl
```
public HeaderExtractorImpl()
```
- Method Detail
  - extract
```
public java.lang.String extract(OAuthRequest request)
```
    Generates an OAuth 'Authorization' Http header to include in requests as the signature.
    
    Specified by:
    
    extract in interface HeaderExtractor
    
    Parameters:
    
    request - the AbstractRequest to inspect and generate the header
    
    Returns:
    
    the Http header value
  - checkPreconditions
```
private void checkPreconditions(OAuthRequest request)
```